From 9d32a02a724c79215a00bb2d2563c7fd026b0726 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Wed, 14 Feb 2024 11:45:01 +0100
Subject: OvmfPkg/PlatformPei: log a warning when memory is tight

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Message-Id: <20240214104504.2931339-2-kraxel@redhat.com>
---
 OvmfPkg/PlatformPei/MemDetect.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/OvmfPkg/PlatformPei/MemDetect.c b/OvmfPkg/PlatformPei/MemDetect.c
index 493cb1fbeb..e0ecca10b6 100644
--- a/OvmfPkg/PlatformPei/MemDetect.c
+++ b/OvmfPkg/PlatformPei/MemDetect.c
@@ -319,6 +319,14 @@ PublishPeiMemory (
     if (MemorySize > PeiMemoryCap) {
       MemoryBase = LowerMemorySize - PeiMemoryCap;
       MemorySize = PeiMemoryCap;
+    } else {
+      DEBUG ((
+        DEBUG_WARN,
+        "%a: Not enough memory for PEI (have %lu KB, estimated need %u KB)\n",
+        __func__,
+        RShiftU64 (MemorySize, 10),
+        PeiMemoryCap >> 10
+        ));
     }
   }
 
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